Joel Brenner is the former national counterintelligence executive and mission manager for counterintelligence at the Office of the National Counterintelligence (CI) Executive, which directs national, interagency CI for the government. He is the author of America the Vulnerable: Inside the New Threat Matrix of Digital Espionage, Crime and Warfare. Brenner is a cyber security expert and provides business strategies on this complex issue. He also addresses global risk management, privacy, and data security.